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Small EFG VS SI HPHT Rough Diamond

Categories HPHT Rough Diamond
Brand Name: YUDA CRYSTAL
Model Number: YD-A+
Certification: None
Place of Origin: Zhengzhou, China
MOQ: Negotiate
Price: Negotiate
Payment Terms: 100% Payment In Advance
Supply Ability: 50000carats per month
Delivery Time: 1-7 Working Days Depends On Quantity
Packaging Details: Carton box
Product Name: HPHT Synthetic Diamond
Brand: Yuda Crystal
Grade: High
Assortment: Good
Color: EFG
Clarity: VS SI
Carat Weight: Around 0.10ct
Cut: Uncut
Technology: HPHT
Shape: Rough, Raw
Usage: For Cutting Lab Grown Diamonds
Component: Carbon
Hardness: Moh's 10 Scale
Available Type: HPHT, CVD
Place Of Origin: Zhengzhou, China
Payment Mode: T/T, Bank Transfer, PayPal, Western Union
Courier: DHL, FedEx, UPS, TNT, EMS etc
Packaging: As Export Standard
Customization: Welcome
Polish: None
Symmetry: None
Sample Order: Welcome
Treatments Applied: None
Enhancement: None
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Small EFG VS SI HPHT Rough Diamond

2.0 - 2.5mm Small Size EFG Color Vs Si HPHT Rough Diamond For Making Melee Lab Diamonds


Lab Grown Rough Diamonds Description


The diamonds made in the laboratory, also known as engineering or cultured diamonds, grow in a highly controlled laboratory environment. With advanced technology, they reproduce the natural conditions for the formation of diamonds under the mantle and crust. These synthetic diamonds are made up of actual carbon atoms, which are arranged in the unique crystal structure of diamonds. Because they are made of the same material as natural diamonds, they have the same optical and chemical properties.


The diamonds in our lab grow from the tiny carbon seeds of existing diamonds. Advanced technology - either extreme pressure and heat or a special deposition process - mimics the natural methods of diamond formation. Laboratory grown fancy colored diamonds are formed when a small amount of specific trace elements are present in the diamond growth stage, just like in nature. In white and colored laboratory diamonds, the exact composition of trace elements may be different from that of natural diamonds. Laboratory diamonds can only be distinguished from natural diamonds by special equipment, which can detect trace elements and subtle differences in crystal growth.


The diamonds produced in our laboratory can now be easily bought in all kinds of colorless diamonds. Cultured diamonds are also available in fancy colors and are considered to be very rare in nature, including the popular colorful Fancy Yellow. Compared with natural color diamond, the price of color diamond produced in laboratory is relatively reasonable.


Diamonds manufactured in our laboratory exhibit the same physical, chemical and optical properties as natural diamonds, and exhibit the same flame, flicker and flash. With a jewelry magnifying glass, it is almost impossible to distinguish man-made diamonds from natural ones. Laboratory diamonds may exhibit different trace elements than natural diamonds and do not affect the appearance of diamonds. Only by testing with special equipment can laboratory diamonds be distinguished from natural diamonds. Laboratory produced diamonds available for purchase should always carry gemstone certification to confirm that they are laboratory produced.


Parameters of Lab Grown Rough Diamonds

HPHT Lab Grown Diamonds Details
Brand NameYuda Crystal
NameRough Lab Grown Diamonds
Diamond ColorEFG
Diamond ClarityVVS-SI
Diamond Carat Weight0.10 carat
Diamond CutUncut
TechnologyHPHT
Size2.0-2.5mm
ShapeRaw
ApplicationFor Cutting Lab Grown Loose Diamonds
Place Of OriginZhengzhou, China
Delivery Time1 - 7 Working Days Base on Order Quantity
Payment Terms100% Payment In Advance
Payment MethodsT/T, PayPal, Western Union, Bank Transfer
Shipping wayDHL, FedEx, SF Express, UPS, EMS, TNT etc
M.O.QNegotiable
Diamond TypeSynthetic(lab created)
LocationZhengzhou, China
Treatments AppliedNone
Fire Dispersion0.044(Same as Natural Diamond)
Brilliance Refraction Index2.42(Same as Natural Diamond)
Relative Density3.52(Same as Natural Diamond)
Chemical CompositionCarbon(Same as Natural Diamond)
Moh's Hardness10(Same as Natural Diamond)

Lab Grown Rough Diamonds Introduction


Natural diamonds are created by nature and are the result of high temperature and pressure formed over billions of years. The Rough Lab Grown Diamonds are produced in the laboratory, usually in a few weeks. The chemical difference between the two is same.

So how do you distinguish between Rough Lab Grown Diamonds and natural diamonds?

There is no obvious difference between the Rough Lab Grown Diamonds and natural diamonds. Even professional gemologists need special equipment to identify them. By zooming in, professionals will be able to discern subtle contrasts in diamond inclusions grown and mined in the laboratory.


The Difference Between Lab Diamond And Natural Diamond
PropertiesEarth MinedLab Created
Guaranteed Conflict-FreeNoYes
Hardness (MOHS)1010
SP3 Carbon Diamond Bonds (%)100%100%
Internal Crystal StructureFace-Centered CubicFace-Centered Cubic
Hardness Comparable2.422.42
Relative Diversity3.523.52
Color Diffusion0.0440.044
ColorVarious GradesK to D grades
Price$$$$$$$$

Lab Grown Rough Diamonds Details


Quality Small EFG VS SI HPHT Rough Diamond for sale
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